body {
  margin: 0px;
}

.hide {
  display: none;
}

#top {
  width: 100%;
  height: 60px;
  line-height: 60px;
  background-color: #6c6cdf;
  background-image: url(../img/wuye.png);
  background-repeat: no-repeat;
  background-position: 30px center;
}

#top h1 {
  color: white;
  box-sizing: border-box;
  padding-left: 80px;
}

main {
  width: 100%;
  display: flex;
}

main #main-left {
  width: 240px;
  box-shadow: 0px 0px 0px 1px lightgray;
}

main #main-left #left-all {
  width: 100%;
  margin: 0px;
  list-style: none;
  padding: 0px;
}

main #main-left #left-all li {
  list-style: none;
  width: 100%;
  line-height: 50px;
  cursor: pointer;
}

main #main-left #left-all li .bg {
  background-color: #b3b3e9;
}

main #main-left #left-all li div {
  width: 100%;
  box-sizing: border-box;
  padding-left: 20px;
  border-bottom: 1px solid #c5c5c5;
}

main #main-left #left-all li ul {
  margin: 0px;
  list-style: none;
  padding: 0px;
  display: none;
}

main #main-left #left-all li ul li {
  border-bottom: none;
  box-sizing: border-box;
  padding-left: 50px;
}

main #main-left #left-all li ul li:hover {
  background-color: #cecdcd;
  border-right: 2px solid #3939aa;
}

main #main-left #left-all li svg {
  width: 30px;
  height: 30px;
  margin-right: 5px;
  vertical-align: middle;
  color: #beb9b9;
}
